Fuel oil burner



Oct. 13, 1931. w GEARHART 1,827,390

FUEL OI L BURNER Filed March 18, 1929 NVENT 2 BY M ATTORNEYS I 25 modified forms of Fig. 5.

Patented out. 13.1931

ALONZO w. c AnHA anonrR-Esno;

' rum. OIL

' A ppIication ieaiuarh s,

* invention isan improvement on the'form of burner described in my pending application Serial No."257,569 filed February 28, 19:28,.-

' for an oil burner. f c j In the. drawings accompanying myappli- 2 vv'15 cation Fig. 1 is an outside view'ofa completed burner. Fig. 2 is a top sectional view thereof along the line 2-2 in Fig. 1 adapted to show the general direction of the gasformed by the" fuel and the oxygen. Fig 3 is asectionalview 7 20 of the burner along a line'33 in Fig.- 2.

" Fig. 4 is a separate'side view'of the bushing Y having baflles thereon which constitutes my invention. Fig. 5 is'a bottom View ofthe bushing shown in Fig. 4. Figs. 6 and? are Referring to said draw1ngs,-I have con structed an outer shell or housing'lO prefer.

ably tubular in shape, having a bottom 11, and an inwardly projectingflan'ge' 12 at the top, said shell formin' a circular chamber having a circular opening 120'at the top." The I mixture to be consumed consists of liquid fuel and air or steam. The fuel intake is shown as 60. The air or steam ispreferably introduced into chamber 20 under pressure (which may be accomplished 'bya fan) and through a pipe 13 which enters the chamber tangenti' ally so the mixture will'have a swirlinghelicoidal movement, the top opening 120 of the chamber being of less diameter than the. in

side diameter of'the chamber. :The direction f of the current ofthe fuel and air mixture is shown by arrows 55.

. 5 For the/purpose of more thoroughly'breaking up the fuel and mixing it with the air or steam, I have'providedabushing having a flangetl adapting it "to reston thetopof flange 12, said bushing having a pluralityof depending-baffles 52 which'are -adapted to [change the course of'the swirling gaseous ,ters the chamber together 'withga 1 t f from. Without my baflies this swirling move ing'at the top of the chamber, a fuel inlet v "the chamben:meansito-introdueaair. to .mixf. WVltlI the fuel in said chamber, sald means 1ntending downward within the-chamber adjacentt-o thelout-let opening,saidbafllesbeing cal-linoleum c j- I mus We? Ye rie;sweeter i 5 ,mixftureso that it is directed toward the cen V I ter of the opening12O where it is consumed.

p The bafiies 52may' be madecurv'ed as shown; in Fig. 6,, straight as shown in Fig. 4 or 'obllquely as shown in '7. Said baffles 55 should be positioned to direct the swirling" fuel mlxturetowardthe outlet opening.

' In operating mydevicefair, or steam,fen-

supply of: fuel which is given 1. a. swirling movement, tending to mix the elements. This mixtureis necessarily forced through thetop of the chamber, being the only outlet therement would continue as it is ejected'from the I chamber, but my bafiles modify this swirling f movement by directing the currentsfrom different sectors of the opening toward the center of the opening where the several currents converge and pass directly upward, thus. W1 directly engaging the flame.

Havingdescribed my lnvention, I claim: I

1. In combination with an oil burner hav-. mg a c rcular chamber, a circular outlet openinto said chamher, means to introduce fluid into said chamber so'that the fluid will have I i a swirling movement within the chamber and Y will mix the fuel therein, of a bushing. fitted within the outlet opening, said'bushing having a plurality of baffles depending from said" bushingiand within the chamber.

2. In an oil burner hav ng a ,clrcularfl' chamberand atfuelinlet,anoutlet opening.v I at the topof'lesser diameter than the diame-v te r ofthe chamber, meansto introduce air to tending downward'withinthe chamber adjacen't to the outlet opening. H 1' c 3.: In an oil burner havingfa circular cham berand-a fuel inlet, an outlet opening at the topjof lesserdiameterthanthe diameterof positioned to direct the swirling fuel toward the outlet opening. 4. In an oil burner having a circular chamber and a fuel inlet, an outlet opening at the top of lesser diameter than the diameter of the chamber, means to introduce air to mix with the fuel in said chamber, said means introducing the air so that it has a swirling movement within the chamber, of baffles extending downward within the chamber adj acent to the outlet opening, said .baflies having a curved face adapted and positioned to direct the swirling fuel toward the center of the discharge openin g ALONZO W; GEARHART.

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